001    package org.gwtbootstrap3.client.ui.base.mixin;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 GwtBootstrap3
008     * %%
009     * Licensed under the Apache License, Version 2.0 (the "License");
010     * you may not use this file except in compliance with the License.
011     * You may obtain a copy of the License at
012     * 
013     *      http://www.apache.org/licenses/LICENSE-2.0
014     * 
015     * Unless required by applicable law or agreed to in writing, software
016     * distributed under the License is distributed on an "AS IS" BASIS,
017     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018     * See the License for the specific language governing permissions and
019     * limitations under the License.
020     * #L%
021     */
022    
023    import org.gwtbootstrap3.client.ui.base.HasActive;
024    import org.gwtbootstrap3.client.ui.base.helper.StyleHelper;
025    import org.gwtbootstrap3.client.ui.constants.Styles;
026    
027    import com.google.gwt.user.client.ui.UIObject;
028    
029    /**
030     * @author Sven Jacobs
031     */
032    public class ActiveMixin<T extends UIObject & HasActive> extends AbstractMixin implements HasActive {
033    
034        public ActiveMixin(final T uiObject) {
035            super(uiObject);
036        }
037    
038        @Override
039        public void setActive(final boolean active) {
040            if (active) {
041                uiObject.addStyleName(Styles.ACTIVE);
042            } else {
043                uiObject.removeStyleName(Styles.ACTIVE);
044            }
045        }
046    
047        @Override
048        public boolean isActive() {
049            return StyleHelper.containsStyle(uiObject.getStyleName(), Styles.ACTIVE);
050        }
051    }